In this Jan. 6, 2007, file photo, Dallas Cowboys' Tony Romo, left, bobbles the snap as kicker Martin Gramatica steps in for the kick with 1:19 left in the game against Seattle Seahawks in an NFC wild card playoff football in Seattle. Romo attempted to run the ball but fumbled as he was hit. The Seahawks won 21-20. less

In this Jan. 6, 2007, file photo, Dallas Cowboys' Tony Romo, left, bobbles the snap as kicker Martin Gramatica steps in for the kick with 1:19 left in the game against Seattle Seahawks in an NFC wild card ... more

Dallas Cowboys quarterback Tony Romo holds his head as Al Johnson leans over him after the botched field goal play with 1:19 left in the 21-20 loss to the Seattle Seahawks in an NFC wild card playoff football in Seattle, Saturday, Jan. 6, 2007. less

Dallas Cowboys quarterback Tony Romo holds his head as Al Johnson leans over him after the botched field goal play with 1:19 left in the 21-20 loss to the Seattle Seahawks in an NFC wild card playoff football ... more

In this Oct. 30, 2007 photo, Dallas Cowboys quarterback Tony Romo, left, shakes hands with team owner Jerry Jones during a news conference at team headquarters in Irving, Texas. The Dallas Cowboys haven't won a championship in 15 years, the longest wait in franchise history. As owner and general manager, Jones has been blamed for letting his ego get in the way. less

In this Oct. 30, 2007 photo, Dallas Cowboys quarterback Tony Romo, left, shakes hands with team owner Jerry Jones during a news conference at team headquarters in Irving, Texas. The Dallas Cowboys haven't won a ... more

In this March 18, 2008, file photo, Dallas Cowboys quarterback Tony Romo, left, and actor Jessica Simpson, right, take in an NBA basketball game between the Los Angeles Lakers and Dallas Mavericks in Dallas.

In this March 18, 2008, file photo, Dallas Cowboys quarterback Tony Romo, left, and actor Jessica Simpson, right, take in an NBA basketball game between the Los Angeles Lakers and Dallas Mavericks in Dallas.

Cowboys quarterback Tony Romo walks off the field after playing the Philadelphia Eagles on Dec. 28, 2008, at Lincoln Financial Field in Philadelphia. The Eagles defeated the Cowboys 44-6.

Cowboys quarterback Tony Romo walks off the field after playing the Philadelphia Eagles on Dec. 28, 2008, at Lincoln Financial Field in Philadelphia. The Eagles defeated the Cowboys 44-6.

Photo: Jim McIsaac, Getty Images

Cowboys quarterback Tony Romo walks off the field after playing the... Photo-4145197.56327 - San Antonio Express-News

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Cowboys quarterback Tony Romo pumps his fist in celebration of a passing touchdown in the second quarter as Dallas plays the Philadelphia Eagles in first-round NFL playoff action in Dallas on Jan. 9, 2010.

Cowboys quarterback Tony Romo pumps his fist in celebration of a passing touchdown in the second quarter as Dallas plays the Philadelphia Eagles in first-round NFL playoff action in Dallas on Jan. 9, 2010.

Cowboys quarterback Tony Romo is sacked during the second half of an NFL divisional playoff football game against the Minnesota Vikings on Sunday, Jan. 17, 2010, in Minneapolis.

Cowboys quarterback Tony Romo is sacked during the second half of an NFL divisional playoff football game against the Minnesota Vikings on Sunday, Jan. 17, 2010, in Minneapolis.

Photo: Hannah Foslien, AP

Cowboys quarterback Tony Romo is sacked during the second half of... Photo-4145199.56327 - San Antonio Express-News

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Dallas Cowboys quarterback Tony Romo, left, sits with Candice Crawford during the second half of an NBA basketball game of the Dallas Mavericks and the Oklahoma City Thunder in Dallas on in this April 3, 2010 file photo. less

Dallas Cowboys quarterback Tony Romo, left, sits with Candice Crawford during the second half of an NBA basketball game of the Dallas Mavericks and the Oklahoma City Thunder in Dallas on in this April 3, 2010 ... more

Dallas quarterback Tony Romo reacts after the game with the Seattle Seahawks Sunday, Nov. 6, 2011, at Cowboys Stadium in Arlington. The Cowboys won 23-13.

Dallas quarterback Tony Romo reacts after the game with the Seattle Seahawks Sunday, Nov. 6, 2011, at Cowboys Stadium in Arlington. The Cowboys won 23-13.

Photo: EDWARD A. ORNELAS, SAN ANTONIO EXPRESS-NEWS

Dallas quarterback Tony Romo reacts after the game with the Seattle... Photo-4145206.56327 - San Antonio Express-News

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Dallas Cowboys quarterback Tony Romo celebrates as he leaves the field after winning an NFL football game in overtime against the Washington Redskins in Landover, Md., on Sunday, Nov. 20, 2011. The Cowboys won 27-24. less

Dallas Cowboys quarterback Tony Romo celebrates as he leaves the field after winning an NFL football game in overtime against the Washington Redskins in Landover, Md., on Sunday, Nov. 20, 2011. The Cowboys won ... more

Dallas Cowboys quarterback Tony Romo tees off on hole one during the opening round of the American Century Celebrity Golf Championship at Edgewood Tahoe Golf Course on Friday, July 20, 2012, in Stateline, Nev.

Dallas Cowboys quarterback Tony Romo tees off on hole one during the opening round of the American Century Celebrity Golf Championship at Edgewood Tahoe Golf Course on Friday, July 20, 2012, in Stateline, Nev.

Dallas Cowboys quarterback Tony Romo (9) celebrates his touchdown pass to wide receiver Miles Austin during the first half of an NFL football game against the Chicago Bears, Monday, Oct. 1, 2012, in Arlington.

Dallas Cowboys quarterback Tony Romo (9) celebrates his touchdown pass to wide receiver Miles Austin during the first half of an NFL football game against the Chicago Bears, Monday, Oct. 1, 2012, in Arlington.

Dallas Cowboys quarterback Tony Romo, left, and wide receiver Dwayne Harris walk off the field after an NFL football game against the Philadelphia Eagles, Sunday, Nov. 11, 2012, in Philadelphia. Dallas won 38-23. less

Dallas Cowboys quarterback Tony Romo, left, and wide receiver Dwayne Harris walk off the field after an NFL football game against the Philadelphia Eagles, Sunday, Nov. 11, 2012, in Philadelphia. Dallas won ... more